Mitsubishi FREQROL-SF - External signal 3 (STS1)

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Troubleshooting

1.1 Status display

and diagnosis

(c)

External signal 3

(STSl)

Check the signal contents by each digit of LED using

the following table.

Servo Ready

-8-

Main Page

Default Chapter2
- Table of Contents2
1 Troubleshooting6
- Status Display and Diagnosis10
- Status Display and Diagnosis from Spindle Amplifier10
- Status Display and Diagnosis from NC15
- Checking Method and Countermeasures of Trouble18
  - Classification a18
- When the Amplifier Is Turned on at the First Time18
  - It Does Not Correctly Work18
- The Motor Which Has Normally Rotated Stops Abruptly20
- The Equipment Does Not Work in Occasions21
  - Alarm Appears, after Turning on and off the Power or Resetting the Equipment, the Equipment Normally Works21
- Checking Method and Remedy of Trouble Classification22
- When the Power Is Turned On, the Display of the Operation Panel Does Not Appear at All22
- When the Power Is Turned On, the Display on the23
- An Alarm Appears Ont He Display on the Printed Circuit Board (SF-CA Card) of the Amplifier25
- The Motor Does Not Rotate46
  - The Status Display Mode48
- The Motor Does Not Rotate at a Speed Being Specified48
- The Motor Vibrates and Is Getting Noisier During49
  - Rotations49
  - The Motor Overshoots in Speed or Hours51
- The Cutting Force Degrades52
- The Orientation of the Spindle Is Not Correct53
- The Acceleration/Deceleration Time Increases58
- The Speed Detection Signal, up to Speed Signal, or Zero Speed Signal Is Not Issued59
- The Tapping Operation Cannot be Correctly Performed60
- The Threading Operation Cannot be Correctly62
  - Performed62
2 Checking and Replacing Parts63
- Replacing Fuses64
- Replacing Thermal Protectors64
- Replacing Amplifier Cooling Fan64
- Replacing Printed Circuit Board66
- Replacing SF-PW Module66
- Replacing SF-OR or SF-10 Card67
- Replacing SF-TL Card68
- Replacing SF-CA Card69
- Checking Transistor Module70
  - Both in the Power Side and Regeneration Side)70
- Checking Diode Stack73
- Replacing Transistor Module and Diode Stack75
- Replacing Motor Cooling76
- Adjusting and Replacing Motor Built-In Encoder79
- Adjusting Printed Circuit Board79
- Replacing Encoder and Printed Circuit Board82
3 Spindle Orientation Control Circuit84
- Structure85
- Spindle Orientation Using Magnesensor (1 Point)85
- Spindle Orientation Using Encoder87
  - (4096 Points, with Index Function)87
- Control Circuit and Parameter Setting89
- Where the Speed Selection Signal Function Is89
  - Provided (SF-OR Card)89
- Where the Equipment Is Linkedwith the NC through94
4 Adjusting Synchronous Tap122
- Setting Parameters122
- Checking Operation123
Appendix 1 Machine Connection125
Appendix L-L Power Connection125
Appendix L-2 Connection with Motor (for Standard Motor)127
Appendix L-3 Machine Connection127
- (Without Orientation (Standard))127
Appendix L-4 Machine Connection128
Appendix L-5 Machine Connection(Bus Linkage with NC)129
Appendix L-6 Machine Connection(Bus Linkage with NC)130
Appendix L-7 Machine Connection131
Appendix 2 Cable Connections132
Appendix 2-L Cable Connection132
Appendix 2-2 Cable Connection133
Appendix 2-3 Cable Connections (Bus Linkage with NC)134
Appendix 3 Cable and Connector Specifications135
Appendix 4 Main Circuit Configuration143
Appendix 5 Spindle Part Layout144
- Layout151
Appendix 6153
- Major Part Table153
Appendix 7 Major Part Table159
Appendix 8 Display Lamps (LED Diodes)159
Appendix 9 Check Terminals160
Appendix 10 Parameter Setting List and Short Pin Switch174
Appendix 12180
- Maintenance Instruments180
Appendix 11 Structural Components181
- Reference: Setting and Adjustment181

Mitsubishi FREQROL-SF - External signal 3 (STS1)

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